Base | Representation |
---|---|
bin | 1000111100101… |
… | …11010000001111 |
3 | 12020020212112021 |
4 | 10132113100033 |
5 | 123204142211 |
6 | 11240551011 |
7 | 1601033254 |
oct | 436272017 |
9 | 166225467 |
10 | 75068431 |
11 | 39413029 |
12 | 21182467 |
13 | 127247b9 |
14 | 9d8142b |
15 | 68cc771 |
hex | 479740f |
75068431 has 2 divisors, whose sum is σ = 75068432. Its totient is φ = 75068430.
The previous prime is 75068381. The next prime is 75068471. The reversal of 75068431 is 13486057.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 75068431 - 215 = 75035663 is a prime.
It is a super-2 number, since 2×750684312 = 11270538665603522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (75068471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37534215 + 37534216.
It is an arithmetic number, because the mean of its divisors is an integer number (37534216).
Almost surely, 275068431 is an apocalyptic number.
75068431 is a deficient number, since it is larger than the sum of its proper divisors (1).
75068431 is an equidigital number, since it uses as much as digits as its factorization.
75068431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 75068431 is about 8664.2040026768. The cubic root of 75068431 is about 421.8445535302.
The spelling of 75068431 in words is "seventy-five million, sixty-eight thousand, four hundred thirty-one".
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